CVE-2026-44056: netatalk Stack-based Buffer Overflow
CVSS: 6.4v3.1MediumDeferred
AliasesUBUNTU-CVE-2026-44056DEBIAN-CVE-2026-44056
Published 21-05-2026Last modified 21-05-2026
Vulnerability summary
CVE-2026-44056 is a medium (CVSS 6.4) Stack-based Buffer Overflow vulnerability in netatalk. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.7% of scored vulnerabilities.
CVSS score
6.4/10
010
Medium · v3.1 (NVD)EPSS score
0.30%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 21-05-2026PublishedVulnerability first disclosed.
- 21-05-2026Last modifiedVulnerability information updated.
Description
A stack-based buffer overflow in desktop.c in Netatalk 1.3 through 4.2.2 allows a remote authenticated attacker to cause a denial of service, obtain limited information, or modify limited data.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 6.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:HSources4 sources · 6.0–6.4
- CVE.orgCNA6.0MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated6.4MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
- OSV · DebianEcosystem advisory · calculated6.4MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
+0.05 pp
From 0.25% on 20-09-2026
20-09-202620-10-2026
EPSS score0.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- netatalkAll versions (No fix recorded) | < 4.5.0~ds-1
Netatalk1 product
- netatalk≥ 1.3, ≤ 4.2.2
Ubuntu1 product
- netatalkAll versions (No fix recorded)
3 vendors · 3 products
